Réserve naturelle des Coussouls de Crau
Réserve naturelle des Coussouls de Crau
4.5
(1098)
6,820
hikers
321
hikes
Hiking trails around Réserve naturelle des Coussouls de Crau traverse a distinctive semi-arid Mediterranean steppe, known as "coussouls," unique in France. This ancient plain, formed by the Durance river, features a stony landscape with a natural cement-like layer beneath the surface, supporting resistant flora. The Crau Plain offers varied environments, from rocky landscapes with dry vegetation to green meadows irrigated by the Craponne canal.
Last updated: July 9, 2026
4.6
(18)
88
hikers
9.45km
03:03
370m
370m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(5)
25
hikers
5.34km
01:50
240m
240m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.

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12
hikers
9.00km
02:24
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
6
hikers
12.3km
03:53
450m
450m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
9
hikers
4.85km
01:52
340m
340m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Popular around Réserve naturelle des Coussouls de Crau
Caution: Herds of livestock and Pyrenean Mountain Dogs may be present in the vicinity.
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very nice hike with positive elevation gain very nice view as a reward steep descent use poles you have to control your speed well if you don't want to end up on your buttocks 🤣 you have to be in good physical condition 😀
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One of the most spectacular walks in the region. Please note, access to the summit and the Opies Tower from the south is not recommended by the markings and signage due to a risk of landslides. Some passages are also indeed very steep and bordering on climbing, you have been warned.
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It is not so much the charred trunks that are worth the detour but rather the massif and the cliffs of the Alpilles, especially when they are illuminated by the sunset light.
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Pretty sheepfold, I would advise against walking on the roof even if it is tempting.
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There are over 320 hiking trails in Réserve naturelle des Coussouls de Crau. These include a wide range of options, with approximately 140 easy routes, 170 moderate routes, and a few more challenging trails.
The reserve is known for its unique 'coussouls' landscape, a semi-arid Mediterranean steppe with stony plains. This ancient plain, formed by the Durance river, features a distinctive stony desert environment. While much of it is dry, the Crau Plain also includes areas with green meadows irrigated by the Craponne canal, offering a varied hiking experience.
Yes, the reserve offers many easy walking paths suitable for families. The 'Peau de Meau' interpretive trail is a notable 5 km loop with information panels, providing an excellent introduction to the area's nature and history. To access this specific trail, you need to obtain authorization and a map from the Maison de la Crau or Ecomusée de la Crau in Saint-Martin-de-Crau.
The cool weather and pleasant atmosphere are often highlighted as ideal for outdoor activities in the reserve. Spring and autumn are generally the most comfortable seasons for hiking, avoiding the intense heat of summer and potential chill of winter, though winter hikes are also possible.
Yes, many routes in the area are circular. For example, the Former sheepfold – Les Opies loop from Massif des Alpilles is a moderate 4.8 km trail that takes you through varied terrain. Another option is the Fos Lookout – Views of Étang d'Engrenier loop from Chemin du Mazet, a longer 13.9 km moderate route.
The Réserve naturelle des Coussouls de Crau is a significant area for birdwatching, with nearly 150 bird species. You might spot rare birds like the Pin-tailed Sandgrouse, Lesser Kestrel, or Little Bustard. Other wildlife includes the Crau Cricket, Onopordum Buprestid, and a rich diversity of dragonflies near the canals.
The hiking trails in Réserve naturelle des Coussouls de Crau are highly rated by the komoot community, with an average score of 4.5 stars from over 900 reviews. Hikers often praise the unique steppe landscape, the opportunities for birdwatching, and the variety of routes available for different skill levels.
While many routes are easy to moderate, some sections can be quite challenging. For instance, parts of the trails near the Summit of Les Opies can be very steep and require good fitness, bordering on climbing in some areas. The Summit of Les Opies – Former sheepfold loop from Massif des Alpilles is a moderate 5.3 km path with notable elevation changes.
Yes, in addition to hiking, the reserve also offers cycling tours, allowing you to discover the unique Crau plain by bike. This provides another way to experience the distinctive landscapes and natural features of the area.
The reserve's unique landscape is an ancient alluvial plain formed by the Durance river, which deposited pebbles over millions of years. This created a stony desert environment. Beneath the surface, there's a natural cement-like layer called 'poudingue,' contributing to the distinct soil conditions that support the area's resistant flora.
Yes, pastoralism, particularly sheep farming, has been crucial in shaping and preserving the 'coussoul' vegetation for centuries. It continues to play an important role in maintaining the ecological balance and traditional character of the reserve.


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